SN4 ""

No	Pattern	Freq
1	have been [v-ing] the	264
2	have been [v-ing] a	136
3	have been [v-ing] an	20
4	have been using [art]	17
5	have been doing [art]	16
6	have been discussing [art]	12
7	have been making [art]	11
8	have been studying [art]	10
9	have been considering [art]	10
10	have been taking [art]	10
11	have been having [art]	9
12	have been attending [art]	8
13	have been investigating [art]	7
14	have been following [art]	7
15	have been waiting [art]	6
16	have been playing [art]	6
17	have been monitoring [art]	5
18	have been reading [art]	5
19	have been fighting [art]	5
20	have been giving [art]	5
21	have been watching [art]	5